Find each difference. If you get stuck, consider drawing a number line diagram.




1. 9 - 4

2. 4 - (-9)

3. 50 - 400

4. -50 - (-200)

5. -120 - 400

6. 0 - (-200)

7. 2 + 3

8. (-11) + 2

9. (-6) - (-3)

10. 2 - (-11)